WinSCP < 5.1.6 RSA Signature Blob Integer Overflow

medium Nessus Plugin ID 72388


The remote Windows host has an application installed that is affected by an integer overflow.


The WinSCP program installed on the remote host is a version prior to 5.1.6. It therefore contains code from PuTTY that is affected by an integer overflow related to handling RSA signature data. This error allows a remote attacker to crash the application.


Upgrade to WinSCP version 5.1.6 / 5.2.2 beta or later.

See Also

Plugin Details

Severity: Medium

ID: 72388

File Name: winscp_5_1_6.nasl

Version: 1.6

Type: local

Agent: windows

Family: Windows

Published: 2/7/2014

Updated: 11/26/2019

Supported Sensors: Nessus Agent

Risk Information


Risk Factor: Medium

Score: 5.8


Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2013-4852

Vulnerability Information

CPE: cpe:/a:winscp:winscp

Required KB Items: installed_sw/WinSCP

Exploit Ease: No known exploits are available

Patch Publication Date: 7/29/2013

Vulnerability Publication Date: 7/21/2013

Reference Information

CVE: CVE-2013-4852

BID: 61599